Home / 165,309,570.61-247,964,865.82-40,812,213.60

Finding the Fourth Proportional to 165,309,570.61, 247,964,865.82 and 40,812,213.60

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Solution

The fourth proportional to 165,309,570.61, 247,964,865.82 and 40,812,213.60 is: 61,218,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,309,570.61 : 247,964,865.82 = 40,812,213.60 : x
  2. Step 2: Convert to fraction form
    165,309,570.61/247,964,865.82 = 40,812,213.60/x
  3. Step 3: Cross multiply
    165,309,570.61x = 247,964,865.82 × 40,812,213.60
  4. Step 4: Simplify right side
    165,309,570.61x = 10,119,995,069,039,148
  5. Step 5: Solve for x
    x = 10,119,995,069,039,148/165,309,570.61
  6. Step 6: Final answer
    x = 61,218,446.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.